2018984912

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 4523043840

約数和(自身を除く): 2504058928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 229, 353, 446, 458, 706, 892, 916, 1412, 1561, 1603, 1784, 1832, 2471, 2824, 3122, 3206, 3568, 3664, 4942, 5648, 6244, 6412, 9884, 12488, 12824, 19768, 24976, 25648, 39536, 51067, 78719, 80837, 102134, 157438, 161674, 204268, 314876, 323348, 357469, 408536, 551033, 565859, 629752, 646696, 714938, 817072, 1102066, 1131718, 1259504, 1293392, 1429876, 2204132, 2263436, 2859752, 4408264, 4526872, 5719504, 8816528, 9053744, 18026651, 36053302, 72106604, 126186557, 144213208, 252373114, 288426416, 504746228, 1009492456, 2018984912]

約数ペア:

[(1, 2018984912), (2, 1009492456), (4, 504746228), (7, 288426416), (8, 252373114), (14, 144213208), (16, 126186557), (28, 72106604), (56, 36053302), (112, 18026651), (223, 9053744), (229, 8816528), (353, 5719504), (446, 4526872), (458, 4408264), (706, 2859752), (892, 2263436), (916, 2204132), (1412, 1429876), (1561, 1293392), (1603, 1259504), (1784, 1131718), (1832, 1102066), (2471, 817072), (2824, 714938), (3122, 646696), (3206, 629752), (3568, 565859), (3664, 551033), (4942, 408536), (5648, 357469), (6244, 323348), (6412, 314876), (9884, 204268), (12488, 161674), (12824, 157438), (19768, 102134), (24976, 80837), (25648, 78719), (39536, 51067)]